Manual calculator



FIG. 1 is a perspective view showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof, the left side elevational view being identical;

FIG. 5 is a top plan view thereof, the bottom plan view being identical; and,

FIG. 6 is a perspective view thereof with the inner slide card extending partially out from the outer casing. 

The ornamental design for a manual calculator, as shown and described. 